The GCF of 14 and 18 is 2.
The GCF is 2.
The GCF is 2.
The GCF is 1.
The GCF is 2.
The GCF is 1.
The greatest common factor of 14 and 18 is 2.2 x 7 = 142 x 9 = 18
The GCF is 2.
The GCF is 2.
The GCF of 18 and 42 is 6. The GCF of 42 and 56 is 14.
If you mean 18, 27 and 63 then the GCF is 9
The GCF is 2.